Granulose Sponge (Dysidea granulosa)

Also known as Demosponge, Marine Sponge, Pado Sponge, Siliceous Sponge

Description

Also known as Demosponge, Marine Sponge, Pado Sponge, Siliceous Sponge.

Found on coral and rocky reefs in every habitat, spreading across the substrate in finger like projections.
Varies in colour.
They feed on plankton.
Length - 17cm
Depth - 15-25m
Widespread Indo-Pacific

Sponges come in a range of sizes from minuscule encrusting species under rocks to massive sponges which can be up to one and half metres high.
They are able to filter many litres of sea water every few seconds.
Sponges can exude highly toxic chemicals and so have very few predators apart from nudibranchs, sea stars, sea urchins and umbrella shell.
Their colour can vary if growing in the light or when growing in the shade. (edit) Ref: x

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